Part 2

SUPPLEMENTAL RESTRAINT SYSTEMS: AIRBAG SYSTEM: B1627/82, B1628/82, B1637/82, B1638/82, B1647/82, B1697/82, B1698/82: Lost communication with Side Airbag Sensor LH
B1698/82 - Door Side Airbag Sensor LH Initialization Incomplete (Continued)

15. CHECK SIDE AIRBAG SENSOR ASSEMBLY LH

(a) Connect the connectors to the No. 2 side airbag sensor assembly LH, door side airbag sensor LH and airbag sensor assembly.

(b) Interchange the side airbag sensor assembly LH with RH and connect the connectors.

(c) Connect the cable to the negative (-) auxiliary battery terminal.

(d) Turn the power switch on (IG), and wait for at least 60 seconds.

(e) Clear the DTCs stored in memory Reading and Clearing Diagnostic Trouble Codes.

(f) Turn the power switch off.

(g) Turn the power switch on (IG), and wait for at least 60 seconds.

(h) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:

Text in Illustration

HINT
Codes other than DTCs B1642 or 81 and B1647 or 82 may be output at this time, but they are not related to this check.

B -- REPLACE SIDE AIRBAG SENSOR ASSEMBLY LH Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

16. CHECK NO. 2 SIDE AIRBAG SENSOR ASSEMBLY LH

(a) Turn the power switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Return the side airbag sensor assembly LH and RH to their original positions and connect the connectors.

(d) Interchange the No. 2 side airbag sensor assembly LH with RH and connect the connectors to them.

(e) Connect the cable to the negative (-) auxiliary battery terminal.

(f) Turn the power switch on (IG), and wait for at least 60 seconds.

(g) Clear the DTCs stored in memory Reading and Clearing Diagnostic Trouble Codes.

(h) Turn the power switch off.

(i) Turn the power switch on (IG), and wait for at least 60 seconds.

(j) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:

Text in Illustration

HINT
Codes other than DTCs B1642 or 81 and B1647 or 82 may be output at this time, but they are not related to this check.

B -- REPLACE NO. 2 SIDE AIRBAG SENSOR ASSEMBLY LH Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting
A -- Continue to next step.

17. CHECK DOOR SIDE AIRBAG SENSOR LH

(a) Turn the power switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Return the No. 2 side airbag sensor assembly LH and RH to their original positions and connect the connectors.

(d) Interchange the door side airbag sensor LH with RH and connect the connectors.

(e) Connect the cable to the negative (-) auxiliary battery terminal.

(f) Turn the power switch on (IG), and wait for at least 60 seconds.

(g) Clear the DTCs stored in memory Reading and Clearing Diagnostic Trouble Codes.

(h) Turn the power switch off.

(i) Turn the power switch on (IG), and wait for at least 60 seconds.

(j) Check for DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:

Text in Illustration

HINT
Codes other than DTCs B1642 or 81 and B1647 or 82 may be output at this time, but they are not related to this check.

B -- REPLACE DOOR SIDE AIRBAG SENSOR LH Removal

C -- USE SIMULATION METHOD TO CHECK How To Proceed With Troubleshooting

A -- REPLACE AIRBAG SENSOR ASSEMBLY Removal

18. CHECK HISTORY DTC

(a) Turn the power switch on (IG), and wait for at least 60 seconds.

(b) Check for history DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:

HINT
Codes other than history DTCs B1627 and B1637 may be output at this time, but they are not related to this check.

B -- CHECK SIDE AIRBAG SENSOR ASSEMBLY LH

C -- CHECK NO. 2 SIDE AIRBAG SENSOR ASSEMBLY LH
A -- Continue to next step.

19. CHECK CURRENT DTC

(a) Turn the power switch on (IG), and wait for at least 60 seconds.

(b) Check for current DTCs Reading and Clearing Diagnostic Trouble Codes.

Result:

HINT
Codes other than current DTCs B1628 and B1638 may be output at this time, but they are not related to this check.

B -- CHECK CONNECTORS
A -- Continue to next step.

20. CHECK CONNECTORS

(a) Turn the power switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Check that the connectors are properly connected to the airbag sensor assembly, side airbag sensor assembly LH and No. 2 side airbag sensor assembly LH.

OK:

The connectors are properly connected.

HINT
If the connectors are not connected securely, reconnect the connectors and proceed to the next inspection.

(d) Disconnect the connectors from the airbag sensor assembly, side airbag sensor assembly LH and No. 2 side airbag sensor assembly LH.

(e) Check that the terminals of the connectors are not damaged.

OK:

The terminals are not deformed or damaged.

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

21. CHECK FLOOR WIRE (OPEN)

(a) Using SST, connect terminals 8 (BBL+) and 15 (BBL-) of connector B.

NOTICE:
Do not forcibly insert SST into the terminals of the connector when connecting.

SST : 09843-18040

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

22. CHECK FLOOR WIRE (SHORT)

(a) Disconnect SST from connector B.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

23. CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) auxiliary battery terminal.

(b) Turn the power switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

24. CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Turn the power switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

25. CHECK FLOOR WIRE (OPEN)

(a) Using SST, connect terminals 4 (BCL+) and 3 (BCL-) of connector C.

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

26. CHECK FLOOR WIRE (SHORT)

(a) Disconnect SST from connector C.

(b) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

27. CHECK FLOOR WIRE (SHORT TO B+)

(a) Connect the cable to the negative (-) auxiliary battery terminal.

(b) Turn the power switch on (IG).

(c) Measure the voltage according to the value(s) in the table below.

Standard Voltage:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.

28. CHECK FLOOR WIRE (SHORT TO GROUND)

(a) Turn the power switch off.

(b) Disconnect the cable from the negative (-) auxiliary battery terminal.

CAUTION:
Wait at least 90 seconds after disconnecting the cable from the negative (-) auxiliary battery terminal to disable the SRS system.

(c) Measure the resistance according to the value(s) in the table below.

Standard Resistance:

Text in Illustration

NG -- REPLACE FLOOR WIRE
OK -- Continue to next step.